Please make videos on proxy server reverse proxy server Http cookies Dns security Dns records dns zone Transfer DHCP Dora process ,complete flow when We trigger amazon.com,ftp,SMTP,dns query process,Booting process details, troubleshooting topics .These are most asked questions so your teaching can help everyone .
Booting Process troubleshooting. Bootable Device not found. Troubleshoot it. SSH connection troubleshooting. How do you check which ports are listening? The device is slowing down, Troubleshoot it. Commands to check for CPU Utilization. TOP and SAR command in detail. Paging Concept. What are System calls? Explain about fork(). Explain the Process life cycle or Process States. How to check for Disk Free space. I have disk space available but the file is not getting created. Why? The device is Heating up. Troubleshoot it. How do PING and TRACERT commands work?
What is APIPA? Which messages are Broadcast and Unicast in DORA? Why? Different types of IP Address allocations in DHCP. Will my computer get the same IP address allocated every time? Role of the Router in the separation of Broadcast Domains. . What are ports and port numbers? Do different tabs making queries in the browser use different port numbers? TCP handshake in detail. Problem on Sequence numbers and Acknowledgement numbers. What is SSL. Explain about Digital Certificates and TLS Handshake. Problem on IP Addressing at the sender, gateway and destination. Packet Tracing. How do we check IP address and Gateway and DNS Server addresses of our device. These were asked to me in interview of one of companies and I couldn't clear as interviewer wasn't satisfied pls make videos on them too on how to answer .
